Though this relief has been dated 1925 from at least 1936 onwards, it may have been exhibited at the Kestner-Gesellschaft, Hanover, in 1930 as 'Spherical Construction' 1927. The artist confirmed that it was intended to be hung on a wall, with the long strut vertically downwards.

Published in:Ronald Alley, Catalogue of the Tate Gallery's Collection of Modern Art other than Works by British Artists, Tate Gallery and Sotheby Parke-Bernet, London 1981, pp.238-9, reproduced p.238